Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6032080 | Method and apparatus for maintaining an air-supported structure | Harold B. King | 2000-02-29 |
| 5685122 | Method and apparatus for maintaining an air-supported structure | Harold B. King | 1997-11-11 |